[U6Q] Laura stops giving her daughter vegetables during meal…

[U6Q] Laura stops giving her daughter vegetables during mealtimes because her daughter cries each time Laura puts vegetables on her plate. During a visit with her daughter’s pediatrician, the pediatrician recommends that Laura’s daughter eat more vegetables even if she does not like them. Now, Laura gives her daughter vegetables during mealtimes even if she cries. The pediatrician’s instructions, which reduced the effectiveness of the daughter’s crying as a consequence, is an example of an: